bug#54038: 29.0.50; doc-view cannot show different pages in different tabs

[martin rudalics]

> The problem is that this doesn't create a new window
> from the selected window:
>
>    (window-state-put (window-state-get (selected-window)) (selected-window))

This should put the contents of the selected window into itself - a NOOP
WOW.  What else did you expect?

martin